import { Command } from './Command.js';
import { Vector3 } from '../../build/three.module.js';

/**
 * @param editor Editor
 * @param object THREE.Object3D
 * @param newScale THREE.Vector3
 * @param optionalOldScale THREE.Vector3
 * @constructor
 */
class SetScaleCommand extends Command {

    constructor( editor, object, newScale, optionalOldScale ) {

        super( editor );

        this.type = 'SetScaleCommand';
        this.name = 'Set Scale';
        this.updatable = true;

        this.object = object;

        if ( object !== undefined && newScale !== undefined ) {

            this.oldScale = object.scale.clone();
            this.newScale = newScale.clone();

        }

        if ( optionalOldScale !== undefined ) {

            this.oldScale = optionalOldScale.clone();

        }

    }

    execute() {

        this.object.scale.copy( this.newScale );
        this.object.updateMatrixWorld( true );
        this.editor.signals.objectChanged.dispatch( this.object );

    }

    undo() {

        this.object.scale.copy( this.oldScale );
        this.object.updateMatrixWorld( true );
        this.editor.signals.objectChanged.dispatch( this.object );

    }

    update( command ) {

        this.newScale.copy( command.newScale );

    }

    toJSON() {

        const output = super.toJSON( this );

        output.objectUuid = this.object.uuid;
        output.oldScale = this.oldScale.toArray();
        output.newScale = this.newScale.toArray();

        return output;

    }

    fromJSON( json ) {

        super.fromJSON( json );

        this.object = this.editor.objectByUuid( json.objectUuid );
        this.oldScale = new Vector3().fromArray( json.oldScale );
        this.newScale = new Vector3().fromArray( json.newScale );

    }

}

export { SetScaleCommand };
